/Engine/Source/Runtime/Experimental/Iris/Core/Public/Iris/Serialization/NetSerializerArrayStorage.h
The InlinedElementAllocationPolicy allocates up to a specified number of elements in the same allocation as the container. Any allocation needed beyond that causes all data to be moved into an indirect allocation.
template<uint32 NumInlineElements, typename SecondaryAllocator> class TInlinedElementAllocationPolicy